/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #ff0000;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgb(255 0 0 / 38%)), url(background.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
}

.logo-x {
    color: #00bcd4;
}

.login-btn {
    background: #4caf50;
    color: white;
    padding: 0.5rem 1.5rem;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: #45a049;
    transform: translateY(-2px);
}

/* Main Content */
main {
    margin-top: 80px;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-content {
    text-align: center;
    max-width: 500px;
    background: rgb(255 255 255 / 0%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgb(255 84 84 / 49%);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffffcf;
    font-weight: bold;
    text-shadow: 2px 2px 5px #ff0000;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #ffffff;
}

/* Form Container */
.form-container {
    margin-bottom: 2rem;
}

.form-step {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

/* Gender Options */
.gender-options {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.gender-btn {
    background: #e91e63;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.gender-btn:hover {
    background: #c2185b;
    transform: translateY(-2px);
}

.gender-btn.selected {
    background: #ad1457;
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

.gender-btn[data-value="man"] {
    background: #2196f3;
}

.gender-btn[data-value="man"]:hover {
    background: #1976d2;
}

.gender-btn[data-value="man"].selected {
    background: #1565c0;
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}

/* Form Inputs */
.age-select,
.username-input,
.password-input,
.email-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s ease;
}

.age-select:focus,
.username-input:focus,
.password-input:focus,
.email-input:focus {
    outline: none;
    border-color: #2196f3;
}

/* Buttons */
.next-btn,
.signup-btn {
    background: #ff000091;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.next-btn:hover,
.signup-btn:hover {
    background: #ff000087;
    transform: translateY(-2px);
}

.signup-btn {
    background: #4caf50;
}

.signup-btn:hover {
    background: #45a049;
}

/* Terms */
.terms {
    margin-bottom: 1.5rem;
    text-align: left;
}

.terms label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.terms-checkbox {
    margin-top: 0.2rem;
}

.terms a {
    color: #2196f3;
    text-decoration: none;
}

.terms a:hover {
    text-decoration: underline;
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.progress-step {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    transition: all 0.3s ease;
}

.progress-step.active {
    background: #2196f3;
}

.progress-step.completed {
    background: #af000040;
}

/* Info Section */
.info-section {
    background: rgb(0 0 0 / 0%);
    padding: 4rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.info-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ffffffd4;
    text-shadow: 2px 2px 5px #ff0000;
}

/* Profiles Gallery */
.profiles-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.profile-card {
    aspect-ratio: 1;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.profile-card:hover {
    transform: translateY(-5px);
}

.profile-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Info Content */
.info-content {
    max-width: 800px;
    margin: 0 auto;
}

.info-content h3 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
    color: #ff0000;
    text-shadow: 2px 2px 5px #000000;
}

.info-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #000000f0;
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 2px #ffffff;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 2rem 0;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 0 2rem;
}

.footer-container a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-container a:hover {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-content {
        padding: 2rem;
        margin: 1rem;
    }
    
    .gender-options {
        flex-direction: column;
        align-items: center;
    }
    
    .gender-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .profiles-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1.5rem;
    }
    
    .profiles-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-content h3 {
        font-size: 1.5rem;
    }
    
    .info-content p {
        font-size: 1rem;
    }
}